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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.

None of these
Equal to
Less than
More than

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Hydraulics and Fluid Mechanics in ME
A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is

0.4
0.83
0.6
0.3

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Hydraulics and Fluid Mechanics in ME
In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.

None of these
Equal to
More than
Less than

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is generally used to pump highly viscous fluid?

Screw pump
Reciprocating pump
Air lift pump
Centrifugal pump

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Hydraulics and Fluid Mechanics in ME
If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is

None of these
0.5
1
0.25

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Hydraulics and Fluid Mechanics in ME
A one dimensional flow is one which

is steady uniform flow
takes place in straight lines
involves zero transverse component of flow
is uniform flow

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